This is a current log from my speedtouch585. I used to get this at one time but things improved. I assume that all the wet and cold has had a poor effect on my line.
Over a billion FEC errors is a mite corncerning.
Uptime: 7 days, 17:49:40
Modulation: G.992.1 annex A
Bandwidth (Up/Down) [kbps/kbps]: 448 / 7,488
Data Transferred (Sent/Received) [MB/GB]: 340.05 / 3.20
Output Power (Up/Down) [dBm]: 12.0 / 19.5
Line Attenuation (Up/Down) [dB]: 20.5 / 37.0
SN Margin (Up/Down) [dB]: 22.0 / 7.0
Vendor ID (Local/Remote): TMMB / TSTC
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 171 / 0
FEC Errors (Up/Down): 0 / 1,057,115,751
CRC Errors (Up/Down): 0 / 11,827
HEC Errors (Up/Down): 0 / 11,587